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guajiro [1.7K]
3 years ago
10

If two sets are disjoint, then what region represents the union of their complements in a Venn diagram?

Mathematics
1 answer:
Anastasy [175]3 years ago
5 0
Let A and B be disjoint, the complement of A is everything not in A and the complement of B is everything not in B. The union of the two is therefore everything that is not in A or everything that is not in B, so it must be the entire universe.
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1/(x-2)+1/(x+3)=1/5 solve the problem for me​
Gennadij [26K]

════════ ∘◦❁◦∘ ════════

<h3>Final value : x² -9x - 11</h3>

════════════════════

<h3>Step by step </h3>

\frac{1}{(x - 2)}  +  \frac{1}{(x + 3)}  =   \frac{1}{5}

\frac{(x + 3) + (x - 2)}{(x - 2)(x + 3)}  =  \frac{1}{5}

\frac{2x + 1}{ {x}^{2} + 3x - 2x - 6 }  =  \frac{1}{5}

\frac{2x + 1}{ {x}^{2}  + x - 6}  =  \frac{1}{5}

2x + 1 = ⅕ × (x² + x - 6)

2x + 1 = ⅕x² + ⅕x - 6/5

1/5x² +1/5x - 2x - 6/5 - 1 = 0

1/5x² -9/5x - 11/5 = 0

x² - 9x - 11 = 0. #times by 5

════════════════════

#Give me brainliest pls im tired typing all of this

8 0
3 years ago
Find an equivalent mixed number for the decimal number.<br><br> 16.3
timofeeve [1]

Answer:

16 3/10

Step-by-step explanation:

Think about what fraction become .3 when put into a calculator

that's a 3 in the tenths place in the decimal system so the fraction would be 3/10. Then finally add on the 16

*an aside if this is wrong it it is possible that they have rounded 1/3 to one decimal place. (1/3 is usually .33333 repeating)

6 0
3 years ago
Read 2 more answers
How to memorize multiplication tables in one day?
padilas [110]
You cannot memorize a whole multiplication chart in one day, but if you go online and search multiplication stories, there may be some stories to help you memorize your facts quicker depending on your learning style. Also try and remember that any number times any number is just that number being added over and over again a certain amount of times. For example: 3*4= 3+3+3+3 Hope this helps :)
6 0
3 years ago
Explain why two obtuse angles cannot be supplementary to another.
Nuetrik [128]
It's impossible. Supplements need to add up to 180 degrees, and in order to be obtuse, the angles would both need to be larger than 90 degrees.
5 0
3 years ago
Read 2 more answers
Ms. Wurst and Mr. Pop have donated a total of 91 hotdogs and 126 small cans of fruit juice for a math class picnic. Each student
alexdok [17]

Find the greatest common factor.

Factors of 91: 1, 7, 13, 91

Factors of 126: 1,2,3,6,7,9,14,18,21,42,63,126

The greatest common factor is 7

The answer is 7

3 0
3 years ago
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